Sumathirathne, L.D.Karunanayake, L.2018-01-092018-01-092017-09Journal of the National Science Foundation of Sri Lanka,45(3):p.219-227https://dl.nsf.gov.lk/handle/1/23573Cation exchange resinFTIRPorous resinSEMSulfonationTannin of Terminalia arjunaSynthesis of novel porous tannin-phenol-formaldehyde cation exchange resin from Terminalia arjuna (Kumbuk)Article